X 20 divide each side by 3 3x 7 solution 3x 3x 3x

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Unformatted text preview: nal equation. 20 in the original equation. Check x 3( 20 ) 4 1 Substitute for x. 1 64 7 7 Simplify. 7 Solution checks . 7 The solution is 20 . Example 4 Solving an Equation with Two Radicals Solve 5 2x x 3 x 3 0 2x 5 0. Solution 2x 5 ( 2x 2x x 5)2 2( 8 ) 3 5 x Add x each side. 3)2 (x x Check x Write original equation. 3 8 3 to Square each side. Simplify. Solve for x. 8 in the original equation. 5 11 8 3 11 0 0 Substitute for x. 0 Simplify. 0 Solution checks . The solution is 8 . Lesson 7.6 • Algebra 2 Notetak...
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